Robinson Rubber Products BR – Polybutadiene Rubber

Identification & Functionality

Chemical Family

Polybutadienes

Polymer Name

Polybutadiene Rubber (BR)

Technologies

Elastomers

Product Families

Elastomers — Parts & Shapes

Chemical Resistance

Acids, Dilute Acids, Concentrated Acids, Organic (Dilute) Acids, Organic (Concentrated) Acids, Inorganic

Fair to Good Fair to Good Good Poor Good

 

Alcohol’s Aldehydes Alkalies, Dilute Alkalies, Concentrated Amines Animal & Vegetable Oils Brake Fluids, Non-Petroleum Based Diester Oils Esters, Alkyl Phosphate Esters, Aryl Phosphate Ethers Fuel, Aliphatic Hydrocarbon Fuel, Aromatic Hydrocarbon Fuel, Extended (Oxygenated) Halogenated Solvents Hydrocarbon, Halogenated Ketones Lacquer Solvents LP Gasses & Fuel Oils Mineral Oils Oil Resistance Petroleum Aromatic Petroleum Non-Aromatic Refrigerant Ammonia Refrigerant Halofluorocarbons Refrigerant Halofluorocarbons w/ Oil Silicone Oil Solvent Resistance

Fair to Good Good Fair to Good Fair to Good Poor to Good Poor to Good Poor to Good Poor Poor Poor Poor Poor Poor Poor Poor Poor Good Poor Poor Poor Poor Poor Poor Good R-12, R-13 Poor Poor Poor

 

Features & Benefits

Materials Features

Abrasion Resistant,

Chemical Resistant,

Excellent Rebound,

Excellent Water Resistance,

Exceptional Resilience,

Good Adhesion,

Good Colorability,

Good Flex Crack Resistance,

Good Weather Stability,

High Gas Permeability,

Impact Resistance,

Oxidation Resistant,

Steam Resistant,

Tear Resistance,

Vibration Damping

Applications & Uses

Markets

Automotive & Transportation

Applications

Automotive & Transportation — Automotive

Tires

Plastics & Elastomers End Uses

Tires

Plastics & Elastomers Processing Methods

Compression Molding,

Injection Molding,

Transfer Molding

Properties

Physical Form

Custom,

Solid

Thermal Properties

	Value	Units	Test Method / Conditions
Low Temperature Range	- 150 to - 100	°F	—
Minimum for Continuous Use (Static)	-90	°F	—
Brittle Point	-100	°F	—
High Temperature Range	180 - 220	°F	—
Maximum for Continuous Use (Static)	200	°F	—

Physical and Mechanical Properties

	Value	Units	Test Method / Conditions
Durometer or Hardness Range	40 – 90	Shore A	—
Tensile Strength Range	500 – 2,500	psi	—
Elongation	100 – 450	%	—
Abrasion Resistance	Fair to Good	—	—
Adhesion to Metal	Fair to Good	—	—
Adhesion to Rigid Materials	Fair to Good	—	—
Compression Set	Poor to Good	—	—
Flex Cracking Resistance	Fair to Good	—	—
Impact Resistance	Poor	—	—
Resilience / Rebound	Fair to Good	—	—
Tear Resistance	Poor to Good	—	—
Vibration Dampening	Good to Excellent	—	—

Safety & Health

Environmental Performance

Colorability Flame Resistance Gas Permeability Odor Ozone Resistance Oxidation Resistance Radiation Resistance Steam Resistance Sunlight Resistance Taste Retention Weather Resistance Water Resistance

Good Poor Good Good Poor Good to Excellent Poor Fair to Good Poor Fair to Good Poor to Good Good to Excellent